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Domperidone is a dopamine antagonist indicated for ovarian follicle stimulation in mares.

Domperidone is a dopamine (D2 receptor) antagonist which, following administration in the mare, results in an increase in serum prolactin levels, an increase in progesterone levels and a decrease in oestradiol-17-β levels.

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Technical Information

Active Constituent(s)

Each 5 g syringe contains:

  • 600 mg Domperidone


For promoting the development of follicles and ovulation in mares in anoestrus or prolonged dioestrus.


1 to 1.2 mg/kg. One syringe provides the required daily dose for a 500 to 600 kg mare. Repeat daily until ovulation occurs. Treatment should be discontinued as soon as ovulation occurs.

Withholding Period(s)

NOT TO BE USED in horses intended for human consumption.

Trade Advice (ESI)

Paste for Horses

Product Codes

Size Code
5g buckets 120's 502505
5g buckets 30's 502500